Q_UNREACHABLE was reached at qtextengine.cpp:1551

-opensource -confirm-license -platform linux-clang -developer-build -debug -no-compile-examples -nomake examples -nomake tests -qt-pcre -qt-zlib -qt-freetype -qt-harfbuzz -qt-libpng -qt-libjpeg -qt-sqlite -qt-tiff -sanitize address -sanitize fuzzer-no-link -prefix /home/qq/qt5/build/distrib

#include <QtCore>
#include <QtSvg>

int main(int argc, char **argv) {
    QGuiApplication qga(argc, argv);

    QByteArray svg("<svg xmlns=\"http://www.w3.org/2000/svg\">\n\n"\
                   "<text>&#x202B;x</text>\n\n"\
                   "</svg>");
    QSvgRenderer renderer(svg);
    QPixmap dev(100, 100);
    QPainter p(&dev);
    renderer.render(&p);
    return 0;
}

ASSERT failure in Q_UNREACHABLE(): "Q_UNREACHABLE was reached", file /home/qq/qt5/qtbase/src/gui/text/qtextengine.cpp, line 1551